SSLC Science State level quiz. Chemical reaction and equation

Quiz
•
Science
•
10th Grade
•
Hard
science experiments by girish
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ಸತುವಿನ ಚೂರುಗಳು ಸಾರರಿಕ್ತ ಹೈಡ್ರೋಕ್ಲೋರಿಕ್ ಆಮ್ಲದ ಜೊತೆ ವರ್ತಿಸಿದಾಗ ಬಿಡುಗಡೆಯಾಗುವ ಅನಿಲ/ The gas liberated when the zinc react with dilute hydrochloric acid
ಕಾರ್ಬನ್ ಡೈಆಕ್ಸೈಡ್/ carbon dioxide
ಆಮ್ಲಜನಕ/Oxygen
ಜಲಜನಕ/Hydrogen
ಕ್ಲೋರಿನ್/chlorine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ರಾಸಾಯನಿಕ ಸಮೀಕರಣಗಳು ಯಾವಾಗಲೂ ಸರಿದೂಗಿಸಿ ಬರೆಯಬೇಕು ಕಾರಣ /always the chemical reaction should be written by balanced equation due to.
ರಾಶಿ ಸಂರಕ್ಷಣಾ ನಿಯಮ/ law of mass conservation
ಶಕ್ತಿ ಸಂರಕ್ಷಣಾ ನಿಯಮ/ law of conservation of energy or law of energy conversion.
ಪರಮಾಣು ಸಂರಕ್ಷಣಾ ನಿಯಮ/ law of conservation of atom
ಮೇಲಿನ ಎಲ್ಲವೂ/all the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ಈ ಸಮೀಕರಣವನ್ನು ಸರಿದೂಗಿಸಿ ಬರೆದಾಗ/ write the balanced chemical equation
Mg+O2--------MgO
Mg +O2------2MgO
2Mg + O2------2MgO
Mg +O2--------MgO2
2Mg+O2--2Mgo2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ಒಂದು ರಾಸಯನಿಕ ಕ್ರಿಯೆಯಲ್ಲಿ ಉಷ್ಣವು ಬಿಡುಗಡೆಯಾದರೆ ಅಂತಹ ಕ್ರಿಯೆಗೆ/ In any chemical reaction heat is liberated such reaction is called
ಅಂತರುಷ್ಣಕ ಕ್ರಿಯೆ/ Endothermic reaction
ಬಹಿರುಷ್ಣಕ ಕ್ರಿಯೆ/ Exothermic reaction
ಉತ್ಕರ್ಷಣ ಕ್ರಿಯೆ/Oxidation reactio
ಅಪಕರ್ಷಣೆ ಕ್ರಿಯೆ/ Reduction reaction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ಉಸಿರಾಟ ಕ್ರಿಯೆ ಈ ರೀತಿಯ ಕ್ರಿಯೆಯಾಗಿದೆ/ Respiration is this type of chemical reaction.
ಬಹಿರುಷ್ಣಕ ಕ್ರಿಯೆ/Exothermic recation
ಅಂತರ್ಷ್ಣಕ ಕ್ರಿಯೆ/Endothermic reaction
ಬಹಿರುಷ್ಣಕ ಕ್ರಿಯೆ ಮತ್ತು ಅಂತರುಷ್ಣಕ ಕ್ರಿಯೆ/both endo and exothermic reaction
ಮೇಲಿನ ಎಲ್ಲವೂ/all the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ಈ ರಾಸಾಯನಿಕ ಕ್ರಿಯೆಯಲ್ಲಿ ಉತ್ಪನ್ನಗಳು ಒಂದೇ ಇದ್ದು ಪ್ರತಿವರ್ತಕಗಳು ಎರಡು ಅಥವಾ ಎರಡಕ್ಕಿಂತ ಹೆಚ್ಚು ಇರುತ್ತವೆ./In this type of chemical reaction the product is single, but reactants are two or more than two.
ಸಂಯೋಗ ಕ್ರಿಯೆ/ combination reaction
ವಿಭಜನ ಕ್ರಿಯೆ/decomposition reaction
ಸ್ಥಾನಪಲ್ಲಟ ಕ್ರಿಯೆ/displacement reaction
ದ್ವಿಸ್ಥಾನಪಲ್ಲಟ ಕ್ರಿಯೆ/double displacement reaction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ಈ ರಾಸಾಯನಿಕ ಸಮೀಕರಣವು ಸಂಯೋಗ ಕ್ರಿಯೆಗೆ ಉದಾಹರಣೆಯಾಗಿದೆ./This chemical equation is example for the chemical combination reaction.
CaCO3 -----CaO +CO2
2H2O-----2H2 +O2
2FeSO4-----Fe2O3 + SO2 +SO3
2Mg +O2----2MgO
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